Antonyms of adj undiluted

1 sense of undiluted

Sense 1
undiluted (vs. diluted) -- (not diluted; "undiluted milk"; "an undiluted racial strain")

diluted (vs. undiluted), dilute -- (reduced in strength or concentration or quality or purity; "diluted alcohol"; "a dilute solution"; "dilute acetic acid")
        => cut, thinned, weakened -- (mixed with water; "sold cut whiskey"; "a cup of thinned soup")
        => watery, washy, weak -- (overly diluted; thin and insipid; "washy coffee"; "watery milk"; "weak tea")
        => white -- ((of coffee) having cream or milk added)

Similarity of adj undiluted

1 sense of undiluted

Sense 1
undiluted (vs. diluted) -- (not diluted; "undiluted milk"; "an undiluted racial strain")
       => black -- ((of coffee) without cream or sugar)
       => concentrated -- (of or relating to a solution whose dilution has been reduced)
       => neat, straight, full-strength -- (without water; "took his whiskey neat")